BTS737S3: High-Side Power Switch for Robust Automotive and Industrial Applications
Release time：Apr 7, 2025
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In power distribution and load control systems, high-side switches are vital for safely managing current to various loads. The BTS737S3, developed by Infineon Technologies, is a smart high-side power switch known for its robustness, protection features, and automotive-grade reliability. Whether used in vehicles or industrial automation, this component delivers exceptional performance where safety, precision, and efficiency are essential.
Technical Specifications and Key Features
Key Specifications:
- Operating Voltage Range: 3V to 42V
- Maximum Operating Current: Up to 6.5A
- R<sub>DS(ON)</sub>: 50 mΩ (typical)
- Package Type: PDSO-14 (PG-DSO-14-40)
- Diagnostic Functions: Load current sense, open load detection, short circuit protection
- Protection Features: Overtemperature shutdown, overvoltage protection, and short-circuit protection
- ESD Protection: ±8kV (according to Human Body Model)
- Low Quiescent Current: Ideal for power-efficient systems
Notable Features:
- Comprehensive Diagnostics – On-chip current sensing and diagnostic feedback help detect faults such as open loads or overload conditions.
- Smart Protection – Includes thermal shutdown with latch behavior, overcurrent limitation, and load dump resistance, ensuring safe operation in harsh environments.
- Automotive-Qualified – Compliant with AEC-Q100 standards for use in safety-critical automotive applications.
- Compact Footprint – The PG-DSO-14-40 package offers space savings for high-density board designs.
Application Scenarios
- Automotive Power Distribution: Used in Body Control Modules (BCMs), lighting systems, seat heaters, and window lifters
- Engine Control Units (ECUs): Ensures protected current switching to various engine subsystems
- Industrial Automation: Controls solenoids, relays, motors, and resistive loads with diagnostic feedback
- Smart Battery Systems: Provides safe load control and feedback for battery management
- Robotics and Embedded Control Systems: Ensures secure and intelligent power switching for electromechanical systems
Why Choose Sunether for BTS737S3?
At Sunether, we bring more than two decades of experience in the semiconductor distribution industry, specializing in hard-to-find and high-performance components like the BTS737S3. Here’s why sourcing from Sunether gives you a competitive edge:
- Available from Stock: We maintain inventory of the BTS737S3, ensuring short lead times and immediate delivery options.
- Competitive Pricing: With global sourcing capabilities and strong supplier relationships, we offer cost-effective pricing without compromising quality.
- Fast Delivery: Our efficient logistics system ensures rapid order processing and reliable worldwide shipping to keep your projects on schedule.
- Trusted Quality: We ensure that every part is genuine and quality-verified, suitable for use in demanding automotive and industrial environments.
- Professional Service: Our knowledgeable team provides technical consultation, component cross-referencing, and BOM support for your design needs.
At Sunether, we provide in-stock availability, competitive prices, and responsive service to help you source the BTS737S3 and other semiconductor components with confidence. Contact us today to get a quote or learn how we can support your project from prototype to production.
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